Quote Originally Posted by Mr. Ifafudafi View Post
Something similar to this happened to me, but in a different way.

While screwing around with bump maps, I tried applying one to the map geometry's shader_environment tag; after that, all the lights started doing what they're doing to you.

That's probably not what happened to you, but maybe it'll help you figure something else out.
Thanks for helping me out. It was a problem with the bump map. I hadn't set up the .bitmap tag corectly. The dynamic light now works fine.

Thanks for your help.